| Terms for subject Lighting (other than cinema) (1011 entries) |
| mattglasskolbe | frosted bulb | |
| mellomkulørtone | binary hue | |
| merkelysfluks | rated luminous flux (of a type of lamp) | |
| metning | saturation | |
| monokromatisk stimulus | spectral stimulus | |
| monokromatisk stråling | monochromatic radiation | |
| mørkestrålelampe | Wood's glass lamp | |
| mørkestraum | dark current | |
| mulig solskinnsvarighet | possible sunshine duration (at a particular location) | |
| myktlysarmatur | softlight | |
| nærhet (avstand til vegg) | proximity (in an installation in an interior) | |
| neperisk spektral absorpsjonskoeffisient | Napierian spectral absorption coefficient (of a homogeneous non-diffusing layer) | |
| nødbelysning | emergency lighting | |
| normalt katodefall | normal cathode fall | |
| nøytralfilterkile | neutral wedge | |
| opakt medium | opaque medium | |
| oppfattet farge | colour | |
| optisk tettleik for reflektansfaktor | reflectance factor (optical) density | |
| ordinær armatur | ordinary luminaire | |
| overettmerker | leading marks |